Marathon Petroleum (NYSE: MPC) reported earnings on Nov. 1. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended Sep. 30 (Q3), Marathon Petroleum beat expectations on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue grew slightly and GAAP earnings per share expanded.

Margins dropped across the board.

Revenue details
 Marathon Petroleum reported revenue of $21.25 billion. The four analysts polled by S&P Capital IQ wanted to see revenue of $19.59 billion on the same basis. GAAP reported sales were 10% higher than the prior-year quarter's $19.30 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $3.31. The 13 earnings estimates compiled by S&P Capital IQ predicted $3.18 per share. GAAP EPS of $3.59 for Q3 were 14% higher than the prior-year quarter's $3.16 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 11.8%, 30 basis points worse than the prior-year quarter. Operating margin was 8.9%, 10 basis points worse than the prior-year quarter. Net margin was 5.8%, 10 basis points worse than the prior-year quarter.

Looking ahead
 Next quarter's average estimate for revenue is $18.95 billion. On the bottom line, the average EPS estimate is $1.65.

Next year's average estimate for revenue is $78.92 billion. The average EPS estimate is $9.02.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 115 members out of 118 rating the stock outperform, and three members rating it underperform. Among 27 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 26 give Marathon Petroleum a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Marathon Petroleum is outperform, with an average price target of $61.08.

Can your portfolio provide you with enough income to last through retirement? You'll need more than Marathon Petroleum. Learn how to maximize your investment income and get "The 3 DOW Stocks Dividend Investors Need." Click here for instant access to this free report.